<template>
    <div>
     <div class="item">
       <!-- 设置插槽 -->
        <slot name="main"></slot>
     </div>
    </div>
    </template>
    <script setup lang="ts">
    </script>
    <style lang="scss">
    .item {
    /* 高度410px */
    height: 5.125rem;
    border: 1px solid blue;
    /* 外边距20px */
    margin: 0.25rem;
    background-color: rgba(13, 130, 255, 0.851);
    }
    </style>